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msix: add api to access msix message

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Will be used by virtio pci.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2012-12-21 00:27:02 +02:00
parent 2d620f593d
commit 4c93bfa9c9
2 changed files with 2 additions and 1 deletions
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2
hw/pci/msix.c
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@ -27,7 +27,7 @@
#define MSIX_ENABLE_MASK (PCI_MSIX_FLAGS_ENABLE >> 8) #define MSIX_ENABLE_MASK (PCI_MSIX_FLAGS_ENABLE >> 8)
#define MSIX_MASKALL_MASK (PCI_MSIX_FLAGS_MASKALL >> 8) #define MSIX_MASKALL_MASK (PCI_MSIX_FLAGS_MASKALL >> 8)
static MSIMessage msix_get_message(PCIDevice *dev, unsigned vector) MSIMessage msix_get_message(PCIDevice *dev, unsigned vector)
{ {
uint8_t *table_entry = dev->msix_table + vector * PCI_MSIX_ENTRY_SIZE; uint8_t *table_entry = dev->msix_table + vector * PCI_MSIX_ENTRY_SIZE;
MSIMessage msg; MSIMessage msg;

1
hw/pci/msix.h
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@ -5,6 +5,7 @@
#include "hw/pci/pci.h" #include "hw/pci/pci.h"
void msix_set_message(PCIDevice *dev, int vector, MSIMessage msg); void msix_set_message(PCIDevice *dev, int vector, MSIMessage msg);
MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector);
int msix_init(PCIDevice *dev, unsigned short nentries, int msix_init(PCIDevice *dev, unsigned short nentries,
MemoryRegion *table_bar, uint8_t table_bar_nr, MemoryRegion *table_bar, uint8_t table_bar_nr,
unsigned table_offset, MemoryRegion *pba_bar, unsigned table_offset, MemoryRegion *pba_bar,